Home / 105,178,370.57-157,775,486.46-31,396,322.49

Finding the Fourth Proportional to 105,178,370.57, 157,775,486.46 and 31,396,322.49

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Solution

The fourth proportional to 105,178,370.57, 157,775,486.46 and 31,396,322.49 is: 47,096,851.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,178,370.57 : 157,775,486.46 = 31,396,322.49 : x
  2. Step 2: Convert to fraction form
    105,178,370.57/157,775,486.46 = 31,396,322.49/x
  3. Step 3: Cross multiply
    105,178,370.57x = 157,775,486.46 × 31,396,322.49
  4. Step 4: Simplify right side
    105,178,370.57x = 4,953,570,053,914,788
  5. Step 5: Solve for x
    x = 4,953,570,053,914,788/105,178,370.57
  6. Step 6: Final answer
    x = 47,096,851.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.